CN108002498A

CN108002498A - A kind of efficient sewage-treatment plant

Info

Publication number: CN108002498A
Application number: CN201710787602.XA
Authority: CN
Inventors: 方星
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-04
Filing date: 2017-09-04
Publication date: 2018-05-08

Abstract

The invention discloses a kind of efficient sewage-treatment plant, alum dispenser including matrix and installed in baseline top, it is equipped with alum dispenser top surface and knocks down chamber, knock down the intercommunication of bottom of chamber portion and be equipped with funnel trough, knock down and be equipped with bevel edge groove at the top of inner wall on the right side of chamber, the intercommunication of funnel trench bottom is equipped with pulverizing chamber, the switching reducing mechanism being equipped with pulverizing chamber, the intercommunication of pulverizing chamber bottom is equipped with connector, the alum that the intercommunication of connector bottom is equipped with the setting that stretches to the right launches chamber, alum launches intracavitary and is equipped with alum delivery device, worn in connector and provide left and right and stretch the second sliding groove of setting, the end pin intercommunication that stretches on the left of second sliding groove, which is equipped with to stretch downwards, the first of setting connects groove, first connects the first sliding groove that end pin intercommunication on the left of groove is equipped with the setting that stretches upwards, the sliding partition plate for having left and right to stretch setting is slipped in second sliding groove；The configuration of the present invention is simple, it is easy to operate, improve the crushing uniformity of alum.

Description

A kind of efficient sewage-treatment plant

Technical field

The present invention relates to sewage treatment field, is specifically a kind of efficient sewage-treatment plant.

Background technology

Trade effluent, which is discharged directly into brook, river, can seriously affect water quality and environmental landscape, it is therefore desirable to by sewage collection In be collected into cesspool, by precipitating plus a series of programs such as alum, chlorination, be finally discharged into river.Toward sewage disposal pond , it is necessary to carry out smashing processing to the alum of bulk before middle dispensing alum, preferably to play the adsorption function of alum, but mesh Preceding still basic by manually being smashed, labor intensity is big, time-consuming and laborious, and dependence hand spills that alum scope is small, and speed is slow.

The content of the invention

The technical problems to be solved by the invention are to provide a kind of efficient sewage-treatment plant, it can solve above-mentioned existing In the art the problem of.

The present invention is achieved through the following technical solutions：A kind of efficient sewage-treatment plant of the present invention, including Matrix and the alum dispenser at the top of described matrix, interior be equipped with of the alum dispenser top surface knock down chamber, the throwing Funnel trough is equipped with into the intercommunication of bottom of chamber portion, described knock down is equipped with bevel edge groove on the right side of chamber at the top of inner wall, and the funnel trench bottom intercommunication is set There is pulverizing chamber, the switching reducing mechanism being equipped with the pulverizing chamber, pulverizing chamber bottom intercommunication is equipped with connector, the connection The alum that mouth bottom intercommunication is equipped with the setting that stretches to the right launches chamber, and the alum launches intracavitary and is equipped with alum delivery device, institute State to wear in connector and provide left and right and stretch the second sliding groove of setting, the end pin intercommunication that stretches on the left of the described second sliding groove is equipped with Stretch downwards and the first of setting connect groove, described first, which connects end pin intercommunication on the left of groove, is equipped with the first sliding of the setting that stretches upwards Groove, described second slips the sliding partition plate for being slipped in groove and having left and right to stretch setting, and the sliding diaphragm internal is equipped with hole, described The end pin that stretches on the left of sliding partition plate is visited to be connected in groove and end pin is fixedly installed abutting block into described first, on the left of the abutting block End pin is visited to abut into the described first sliding groove and with the described first sliding groove inner left wall, it is described abut block right flank with it is described First connects and is equipped with the first elastic component on the right side of groove between inner wall, and the section that stretches on the right side of the sliding partition plate is visited into connector right side The described second sliding groove in and it is sliding, be equipped with the first sliding-contacted rod of the setting that stretches upwards in the described first sliding groove, described the The end pin that stretches at the top of one sliding-contacted rod is visited to outside the alum dispenser top surface and end pin is fixedly installed the setting that stretches to the right Fixed beam, the fixed beam bottom be fixedly installed with the compressible drive device knocked down chamber top and be oppositely arranged, described The up-down drive device being connected with first sliding-contacted rod is equipped with the inner left wall of one sliding trench bottom, described first slides It is equipped with the right side of extension bar bottom surface and compresses sliding sliding face to the abutting block, described matrix bottom surface is provided with height-regulating device, institute The bar that connects that height-regulating device includes being fixed at described matrix bottom surface is stated, the bar bottom that connects is connected with hydraulic pump, The hydraulic pump is fixed at top surface on movable base plate, and the alum dispenser is internally provided with power-off protective device.

Preferably technical solution, the alum delivery device include switching and are arranged on turn that the alum launches intracavitary Connect leaf device and be arranged on the first driver of the switching leaf bottom of device end pin, the first driver outer surface is set Launch in intracavitary bottom wall and be fixedly connected in the alum, inner wall, which is equipped with to wear, on the right side of the alum dispensing chamber passes through the alum dispensing The alum dispensing port of machine outer right wall body.

Preferably technical solution, the up-down drive device include setting with the described first sliding groove left bottom intercommunication Second put connects groove and is arranged on the described second screw rod for connecting the setting that stretches in groove and up and down, at the top of the screw rod The end pin that stretches connects the switching of groove inner roof wall with described second, and stretch end pin and the second driver of the screw rod bottom coordinates company Connect, second driver is arranged on described second and connects in groove inner bottom wall and be fixedly connected, and spiral lamination is matched somebody with somebody on the screw rod Conjunction, which is connected with, connects block, and the block right end that connects is fixedly connected with the first sliding-contacted rod left bottom.

Preferably technical solution, the compressible drive device include what top was fixedly connected with the fixed beam bottom Connecting rod and the collet for being fixed on connecting rod bottom end pin, the collet is interior to be equipped with sliding chamber, the sliding intracavitary bottom The intercommunication of wall centre position is equipped with groove portion, and eccentric wheel is equipped with the groove portion, and end pin is connected with the 3rd on the right side of the eccentric wheel Driver, the 3rd driver outer surface are arranged on the right side of the groove portion in inner wall and are fixedly connected, and the sliding intracavitary is slided It is connected to left and right to stretch the second sliding-contacted rod of setting, the end pin that stretches at left and right sides of second sliding-contacted rod, which is fixedly installed, to stretch downwards The connecting pole of setting, the connection column bottom end pin that stretches are worn and pass through the collet bottom surface and sliding and end pin is visited to the collet bottom Outside face, the connection column bottom is fixedly installed tup, the collet bottom between the connecting pole of the left and right sides with it is described The second elastic component is equipped between at the top of tup.

Preferably technical solution, the power-off protective device include being arranged on bottom righthand side inside the alum dispenser Install chamber, described install is provided with power-off protector in chamber, it is described power-off protector outside be provided with protective door.

The beneficial effects of the invention are as follows：

1. set hole by sliding diaphragm internal, the end pin that stretches on the left of sliding partition plate is visited to be connected in groove and end pin is fixed and set into first Abutting block is put, end pin on the left of block is abutted and visits and slip in groove into first and abutted with the first sliding groove inner left wall, abut on the right side of block Face and first connects and sets the first elastic component between inner wall on the right side of groove, and the section that stretches on the right side of sliding partition plate visits second on the right side of connector It is in sliding groove and sliding, the first sliding-contacted rod of the setting that stretches upwards is set in the first sliding groove, stretch end pin at the top of the first sliding-contacted rod Visit to outside alum dispenser top surface and end pin fixed setting stretches the fixed beam of setting to the right, the fixed setting of fixed beam bottom with The compressible drive device that chamber top is oppositely arranged is knocked down, sets in the inner left wall of the first sliding trench bottom and coordinates with the first sliding-contacted rod The up-down drive device of connection, sets on the right side of the first sliding-contacted rod bottom surface to abut block and compresses sliding sliding face, so as to fulfill from Dynamic control crushes and discharge work, improves the degradation rate of alum and prevents from resulting in blockage in discharge process.

2. include the connecting rod that is fixedly connected with fixed beam bottom of top and be fixed on to be connected by compressible drive device The collet of bar bottom end pin, sets sliding chamber in collet, and sliding intracavitary bottom wall centre position intercommunication sets groove portion, and bias is set in groove portion Wheel, eccentric wheel right side end pin the 3rd driver of mating connection, the 3rd driver outer surface is arranged in inner wall and solid on the right side of groove portion Connect calmly, the second sliding-contacted rod of sliding intracavitary is slipped or so the setting that stretches, the end pin that stretches at left and right sides of the second sliding-contacted rod, which is fixed, to be set Put the connecting pole of setting of stretching downwards, the connection column bottom end pin that stretches is worn and passes through collet bottom surface and sliding and end pin is visited to collet bottom surface Outside, connect column bottom fixed setting tup, at the top of the collet bottom and tup between the connecting pole of the left and right sides between set the second bullet Property part, so as to fulfill eccentric wheel drive the second sliding-contacted rod slide up and down, and by the second sliding-contacted rod drive connection column bottom tup Hammering work is back and forth carried out to the alum for knocking down intracavitary, improves the crushing speed that alum is launched.

3. the configuration of the present invention is simple, easy to operate, it can realize and automatically control multiple crushed work, the crushing for improving alum is equal Even property, improves work efficiency and the alum dispensing scope that alum is launched by alum delivery device, reaches uniform alum and launch Purpose, improve wastewater treatment efficiency.

Brief description of the drawings

For ease of explanation, the present invention is described in detail by following specific embodiment and attached drawing.

Fig. 1 is overall structure diagram outside a kind of efficient sewage-treatment plant of the present invention；

Fig. 2 is the alum dispenser internal structure schematic diagram of the present invention；

Fig. 3 is the compressible drive device internal structure schematic diagram of the present invention；

Fig. 4 is the sliding face of the present invention with abutting structure diagram when block abuts；

Fig. 5 is structure diagram when a kind of efficient sewage-treatment plant alum of the present invention is launched；

Fig. 6 is the structure diagram of the height-regulating device of the present invention.

Embodiment

As shown in figs 1 to 6, a kind of efficient sewage-treatment plant of the invention, including matrix 7 and installed in described The alum dispenser 8 at the top of matrix 7, interior be equipped with of 8 top surface of alum dispenser knocks down chamber 81, described to knock down 81 bottom intercommunication of chamber Equipped with funnel trough 811, described knock down is equipped with bevel edge groove 810 at the top of 81 right side inner wall of chamber, and the 811 bottom intercommunication of funnel trough is equipped with Pulverizing chamber 82, the switching reducing mechanism 821 being equipped with the pulverizing chamber 82, the 82 bottom intercommunication of pulverizing chamber are equipped with connector 83, the alum that the 83 bottom intercommunication of connector is equipped with the setting that stretches to the right launches chamber 84, and the alum is launched to be set in chamber 84 There is alum delivery device, worn in the connector 83 and provide left and right and stretch the second sliding groove 85 of setting, described second is sliding The end pin intercommunication that stretches of the left side of groove 85 is equipped with to stretch downwards and the first of setting connects groove 87, and described first to connect 87 left side end pin of groove mutual Logical the first sliding groove 86 for being equipped with the setting that stretches upwards, slip in the described second sliding groove 85 have left and right stretch setting it is sliding every Plate 851, the sliding partition plate 851 are internally provided with hole 852, and the end pin that stretches on the left of the sliding partition plate 851 is visited into described first Connect in groove 87 and end pin is fixedly installed and abuts block 871, the abutting 871 left side end pin of block is visited into the described first sliding groove 86 Interior and is abutted with the described first sliding 86 inner left wall of groove, abutting 871 right flank of block is connected on the right side of groove 87 with described first The first elastic component 872 is equipped between inner wall, the section that stretches on the right side of the sliding partition plate 851 is visited into described in the right side of connector 83 It is in second sliding groove 85 and sliding, it is equipped with the first sliding-contacted rod 861 of the setting that stretches upwards in the described first sliding groove 86, described the The top of one sliding-contacted rod 861 end pin that stretches is visited to outside 8 top surface of alum dispenser and end pin is fixedly installed to stretch to the right and sets The fixed beam 862 put, 862 bottom of fixed beam are fixedly installed and the compressible drive knocked down 81 top of chamber and be oppositely arranged Device 9, the inner left wall of the described first sliding 86 bottom of groove is interior to be equipped with the drive up and down being connected with first sliding-contacted rod 861 Dynamic device, 861 bottom surface of the first sliding-contacted rod right side is equipped with compresses sliding sliding face 8610, institute to the abutting block 871 State 7 bottom surface of matrix and be provided with height-regulating device, what the height-regulating device included being fixed at 7 bottom surface of described matrix connects bar 71, 71 bottom of bar that connects is connected with hydraulic pump 72, and the hydraulic pump 72 is fixed at top surface on movable base plate 73, institute State alum dispenser 8 clearly and be internally provided with power-off protective device.

Valuably, the alum delivery device includes the switching leaf device that switching is arranged in the alum dispensing chamber 84 842 and the first driver 843 of the 842 bottom end pin of switching leaf device is arranged on, 843 outer surface of the first driver The alum is arranged on to launch in 84 inner bottom wall of chamber and be fixedly connected, the alum launch 84 right side inner wall of chamber be equipped with wear pass through it is described The alum dispensing port 841 of 8 outer right wall body of alum dispenser, so as to improve the work efficiency and alum dispensing model of alum dispensing Enclose, achieve the purpose that uniform alum is launched, improve wastewater treatment efficiency.

Valuably, the up-down drive device includes leading with the second of the described first sliding groove 86 left bottom intercommunication setting Access slot 88 and it is arranged on the described second screw rod 881 for connecting the setting that stretches in groove 88 and up and down, the top of screw rod 881 The end pin that stretches connects the switching of 88 inner roof wall of groove with described second, and 881 bottom of screw rod stretches end pin and the second driver 882 It is connected, second driver 882 is arranged on described second and connects in 88 inner bottom wall of groove and be fixedly connected, the screw rod Spiral lamination, which is connected with, on 881 connects block 883, and 883 right end of block that connects is consolidated with 861 left bottom of the first sliding-contacted rod Fixed connection, so as to fulfill 861 lower work of the first sliding-contacted rod is automatically controlled, and drives 862 bottom of fixed beam by the first sliding-contacted rod 861 9 lower work of compressible drive device in portion, completes to carry out pressurization crushed work to the alum knocked down in chamber 81.

Valuably, the compressible drive device 9 includes the connecting rod 91 that top is fixedly connected with 862 bottom of fixed beam And the collet 92 of the 91 bottom end pin of connecting rod is fixed on, sliding chamber 94, the sliding chamber 94 are equipped with the collet 92 The intercommunication of inner bottom wall centre position is equipped with groove portion 95, and eccentric wheel 951, the 951 right side end pin of eccentric wheel are equipped with the groove portion 95 The 3rd driver 952 is connected with, 952 outer surface of the 3rd driver is arranged in the 95 right side inner wall of groove portion and solid It is fixed to connect, the second sliding-contacted rod 941 for having left and right to stretch setting, second sliding-contacted rod 941 or so are slipped in the sliding chamber 94 The both sides end pin that stretches is fixedly installed the connecting pole 942 of setting of stretching downwards, and 942 bottom of the connecting pole end pin that stretches is worn and passes through institute State 92 bottom surface of collet and sliding and end pin is visited to outside 92 bottom surface of collet, 942 bottom of connecting pole is fixedly installed tup 93, the second elasticity is equipped between 92 bottom of the collet and the top of the tup 93 between the connecting pole 942 of the left and right sides Part 96, drives the second sliding-contacted rod 941 to slide up and down so as to fulfill eccentric wheel 951, and drives connecting pole by the second sliding-contacted rod 941 The tup 93 of 942 bottoms back and forth carries out the alum knocked down in chamber 81 hammering work, improves the crushing speed that alum is launched.

Valuably, what the power-off protective device included being arranged on the 8 inside bottom righthand side of alum dispenser installs chamber 61, Described install is provided with power-off protector 62 in chamber 61, protective door 63 is provided with outside the power-off protector 62, when leaking During electrification, damaged by powering off the tripping in time of protector 62 so as to electrical equipment be protected from electrical equipment.

During original state, connect block 883 and connect top position in groove 88 positioned at second, at this time, by connecting 883 band of block The end pin that stretches at the top of dynamic connecting pole 942 is at utmost visited to outside the top surface of alum dispenser 8, meanwhile, make to connect 883 bottom surface of block most Big degree is away from the first 86 inner bottom wall of sliding groove, and at this time, abut that block 871 is subject to the first elastic component 872 compresses power, makes abutting block 871 left side end pin maximum journeys are visited interior into the first sliding groove 86 and abutted with the first sliding 86 inner left wall of groove, meanwhile, by abutting block 871 drive the stretch sliding partition plate 851 of end pin of left side at utmost to visit and connected into first in groove 87, at this time, slip in partition plate 851 Hole 852 be fully located in the second sliding groove 85 in the left side of connector 83, meanwhile, make sliding 851 right side end pin of partition plate maximum Degree is away from the second 85 right side inner wall of sliding groove, and at this time, connector 83 is in air-tight state.

When needing alum to launch work, alum is slid to knocking down in chamber 81 by bevel edge groove 810 first, at this time, is led to The 3rd driver 952 is crossed to rotate with movable eccentric wheel 951, when the protrusion on eccentric wheel 951 rotate visit into sliding chamber 94 and with The second sliding-contacted rod 941 in sliding chamber 94 compresses sliding, the second sliding-contacted rod 941 is slided along sliding 94 inner top direction of chamber, together When, the tup 93 for driving 942 bottom of connecting pole 942 and connecting pole by the second sliding-contacted rod 941 overcomes supporting for the second elastic component 96 Pressure upward sliding, when the protrusion on eccentric wheel 951 is turned into groove portion 95, at this time, tup 93 is subject to the second elastic component 96 Compress power slide downward, meanwhile, 941 edge of the second sliding-contacted rod at connecting pole 942 and the top of connecting pole 942 is driven by tup 93 Bottom direction in sliding chamber 94 is slided, until 941 bottom of the second sliding-contacted rod is abutted with sliding 94 inner roof wall of chamber, then by the Two drivers 882 drive screw rod 881 to rotate, and are driven by screw rod 881 and connect block 883 bottom in groove 88 is gradually connected along second Portion direction is slided, meanwhile, drive the second sliding-contacted rod 941 gradually to be slided along the first 86 bottom direction of sliding groove by connecting block 883, this When, driven the compressible drive device 9 of bottom to slide gradually downward by the second sliding-contacted rod 941 and visited into chamber 81 is knocked down, drive compression Tup 93 in dynamic device 9 back and forth moves up and down and hammers the alum knocked down in chamber 81, and alum after crushed is through funnel at this time Groove 811, which collects, to be slid interior to the pulverizing chamber 82 above switching reducing mechanism 821 and is crushed again with switching reducing mechanism 821 Work, until as shown in Figure 4 when the sliding face 8610 of 941 bottom of the second sliding-contacted rod is abutted with abutting 871 right hand top of block, this When, control the 3rd driver 952 and the second driver 882 to stop operating, meanwhile, tup 93 is subject to the second elastic component 96 Compress power to visit completely into funnel trough 811, at this time, continue control switching reducing mechanism 821 and persistently rotate progress depth grinders Make, after the completion of crushing, continue to control the second driver 882 to drive screw rod 881 to rotate at this time, driven and led by screw rod 881 Connect block 883 and gradually connect bottom direction in groove 88 along second and slide, meanwhile, by connect block 883 drive the first sliding-contacted rod 861 by Gradually slided along the first 86 bottom direction of sliding groove, at this time, the sliding face 8610 for connecting 883 bottom of block compresses cunning with abutting block 871 It is dynamic to coordinate, make abutting block 871 overcome the first elastic component 872 to compress power and gradually connect the right direction in groove 87 along first and move, At this time, the first sliding-contacted rod 861 drives fixed beam 862 to push down on connecting rod 91, meanwhile, connecting rod 91 is pushed down on collet 92, make what collet 92 overcame the second elastic component 96 to compress power slide downward, until the first sliding-contacted rod 861 as shown in Figure 5 is moved to During lowest position in the first sliding groove 86, at this time, make abutting block 871 overcome the first elastic component 872 to compress power and be slid completely into First connects in groove 87, while drives sliding partition plate 851 to be slid completely into the second sliding groove 85 by abutting block 871, at this time, makes hole Mouthfuls 852 are in connector 83 and are completely superposed and intercommunication state, at this time, collet 92 is at utmost visited into the bottom knocked down in chamber 81 Portion position, then drives switching leaf device 842 to rotate and realizes that alum launches work by the first driver 843.

The beneficial effects of the invention are as follows：

The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, it is of the invention Protection domain should be determined by the scope of protection defined in the claims.

Claims

1. a kind of efficient sewage-treatment plant, including matrix and the alum dispenser installed in baseline top, its feature exist In：It is equipped with alum dispenser top surface and knocks down chamber, knocked down the intercommunication of bottom of chamber portion and be equipped with funnel trough, is knocked down and be equipped with the right side of chamber at the top of inner wall Bevel edge groove, the intercommunication of funnel trench bottom are equipped with pulverizing chamber, the switching reducing mechanism being equipped with pulverizing chamber, and the intercommunication of pulverizing chamber bottom is equipped with Connector, the alum that the intercommunication of connector bottom is equipped with the setting that stretches to the right launch chamber, and alum is launched intracavitary and launched equipped with alum Device, wears in connector and provides left and right and stretch the second sliding groove of setting, the end pin intercommunication that stretches on the left of the second sliding groove is equipped with Stretch downwards and the first of setting connect groove, first connects the first sliding groove that end pin intercommunication on the left of groove is equipped with the setting that stretches upwards, The sliding partition plate for having left and right to stretch setting is slipped in second sliding groove, sliding diaphragm internal is equipped with hole, is stretched on the left of sliding partition plate Prolong end pin and visit and connected into first in groove and end pin is fixedly installed abutting block, abut end pin on the left of block visit into the first sliding groove and Is abutted with the first sliding groove inner left wall, abuts block right flank and first and connect and be equipped with the first elastic component between the inner wall of groove right side, The section that stretches on the right side of sliding partition plate is visited in the second sliding groove on the right side of connector and sliding, is equipped with the first sliding groove and stretches upwards The first sliding-contacted rod set, the end pin that stretches at the top of the first sliding-contacted rod are visited to outside alum dispenser top surface and end pin fixed setting is oriented Right side stretches the fixed beam of setting, and fixed beam bottom is fixedly installed and knocks down the compressible drive device that chamber top is oppositely arranged, The up-down drive device being connected with the first sliding-contacted rod, the first sliding-contacted rod bottom are equipped with the inner left wall of first sliding trench bottom Right side of face is equipped with compresses sliding sliding face to abut block, and matrix bottom surface is provided with height-regulating device, and height-regulating device includes fixing Be arranged on matrix bottom surface connects bar, connects bar bottom and is connected with hydraulic pump, hydraulic pump is fixed on movable base plate Top surface, alum dispenser are internally provided with power-off protective device.

A kind of 2. efficient sewage-treatment plant according to claim 1, it is characterised in that：The alum delivery device bag Include switching and be arranged on the alum and launch the switching leaf device of intracavitary and be arranged on the of the leaf bottom of device end pin of transferring One driver, the first driver outer surface are arranged on the alum and launch in intracavitary bottom wall and be fixedly connected, the alum Launch inner wall on the right side of chamber and be equipped with the alum dispensing port worn and pass through the alum dispenser outer right wall body.

A kind of 3. efficient sewage-treatment plant according to claim 1, it is characterised in that：The up-down drive device bag Include second set with the described first sliding groove left bottom intercommunication connect groove and be arranged on described second connect in groove and on Under stretch the screw rod of setting, the end pin that stretches at the top of the screw rod connects the switching of groove inner roof wall with described second, described spiral Stretch end pin and the second driver of bar bottom is connected, and second driver is arranged on described second and connects in groove inner bottom wall And be fixedly connected, spiral lamination, which is connected with, on the screw rod connects block, described to connect block right end and first sliding-contacted rod Left bottom is fixedly connected.

A kind of 4. efficient sewage-treatment plant according to claim 1, it is characterised in that：The compressible drive device bag Include the connecting rod that is fixedly connected with the fixed beam bottom of top and be fixed on the collet of connecting rod bottom end pin, it is described Sliding chamber is equipped with collet, the sliding intracavitary bottom wall centre position intercommunication is equipped with groove portion, eccentric wheel, institute are equipped with the groove portion State end pin on the right side of eccentric wheel and be connected with the 3rd driver, the 3rd driver outer surface is arranged in the groove portion right side In wall and it is fixedly connected, the sliding intracavitary slips the second sliding-contacted rod for having left and right to stretch setting, described second sliding-contacted rod or so The both sides end pin that stretches is fixedly installed the connecting pole of setting of stretching downwards, and the connection column bottom end pin that stretches is worn and passes through the collet Bottom surface and sliding and end pin is visited to outside the collet bottom surface, the connection column bottom are fixedly installed tup, described in the left and right sides The second elastic component is equipped between at the top of the collet bottom and the tup between connecting pole.

A kind of 5. efficient sewage-treatment plant according to claim 1, it is characterised in that：The power-off protective device bag Include be arranged on bottom righthand side inside the alum dispenser install chamber, described install is provided with power-off protector in chamber, described disconnected Protective door is provided with outside electric protector.